diff --git a/15-env.zsh b/15-env.zsh
index 2125a92..4ac7dc7 100644
--- a/15-env.zsh
+++ b/15-env.zsh
@@ -1,6 +1,7 @@
 # PATH
-
-PATH="$(find $HOME/.gem/ruby -maxdepth 2 -name bin -type d | sort -r | tr '\n' ':')$PATH"
+if [[ -d "$HOME/.gem/ruby" ]]; then
+	PATH="$(find $HOME/.gem/ruby -maxdepth 2 -name bin -type d | sort -r | tr '\n' ':')$PATH"
+fi
 
 for P in \
 	"$HOME/bin" \